/* vim: set ts=4 sts=4 sw=4 noet : */
|
#include<stdlib.h>
|
#include "general.h"
|
#include "vertex.h"
|
|
ts_cell_list *init_cell_list(ts_uint ncmax1, ts_uint ncmax2, ts_uint ncmax3, ts_double stepsize){
|
ts_uint i;
|
ts_uint nocells=ncmax1*ncmax2*ncmax3;
|
ts_cell_list *clist=(ts_cell_list *)malloc(sizeof(ts_cell_list));
|
if(clist==NULL) fatal("Error while allocating memory for cell list!",100);
|
|
clist->ncmax[0]=ncmax1;
|
clist->ncmax[1]=ncmax2;
|
clist->ncmax[2]=ncmax3;
|
clist->cellno=nocells;
|
clist->dcell=1.0/(1.0 + stepsize);
|
clist->shift=(ts_double) clist->ncmax[0]/2;
|
|
clist->cell=(ts_cell **)malloc(nocells*sizeof(ts_cell *));
|
if(clist->cell==NULL) fatal("Error while allocating memory for cell list! ncmax too large?",101);
|
|
for(i=0;i<nocells;i++){
|
clist->cell[i]=(ts_cell *)calloc(1,sizeof(ts_cell));
|
if(clist->cell[i]==NULL) fatal("Error while allocating memory for cell list! ncmax too large?",102);
|
clist->cell[i]->idx=i+1; // We enumerate cells! Probably never required!
|
}
|
return clist;
|
}
|
|
ts_bool cell_free(ts_cell* cell){
|
if(cell->vertex!=NULL) free(cell->vertex);
|
free(cell);
|
return TS_SUCCESS;
|
}
|
|
ts_bool cell_list_free(ts_cell_list *clist){
|
ts_uint i;
|
if(clist==NULL) return TS_FAIL;
|
ts_uint nocells=clist->cellno;
|
for(i=0;i<nocells;i++)
|
if(clist->cell[i] != NULL) cell_free(clist->cell[i]);
|
free(clist->cell);
|
free(clist);
|
return TS_SUCCESS;
|
}
|
|
|
inline ts_uint vertex_self_avoidance(ts_vesicle *vesicle, ts_vertex *vtx){
|
ts_uint cellidx;
|
ts_uint ncx, ncy,ncz;
|
ts_cell_list *clist=vesicle->clist;
|
ncx=(ts_uint)((vtx->x-vesicle->cm[0])*clist->dcell+clist->shift);
|
ncy=(ts_uint)((vtx->y-vesicle->cm[1])*clist->dcell+clist->shift);
|
ncz=(ts_uint)((vtx->z-vesicle->cm[2])*clist->dcell+clist->shift);
|
|
if(ncx >= clist->ncmax[0]-1 || ncx <= 2){
|
fatal("Vesicle is positioned outside the cell covered area. Coordinate x is the problem.",1500);
|
}
|
if(ncy >= clist->ncmax[1]-1 || ncy <= 2){
|
fatal("Vesicle is positioned outside the cell covered area. Coordinate y is the problem.",1500);
|
}
|
if(ncz >= clist->ncmax[2]-1 || ncz <= 2){
|
fatal("Vesicle is positioned outside the cell covered area. Coordinate z is the problem.",1500);
|
}
|
cellidx=ncz+(ncy-1)*clist->ncmax[2] + (ncx-1)*clist->ncmax[2]*
|
clist->ncmax[1] - 1; // -1 is because of 0 based indexing
|
return cellidx;
|
}
|
|
|
inline ts_bool cell_add_vertex(ts_cell *cell, ts_vertex *vtx){
|
ts_uint i;
|
for(i=0;i<cell->nvertex;i++){
|
if(cell->vertex[i]==vtx){
|
//vertex is already in the cell!
|
//fprintf(stderr,"VTX in the cell!\n");
|
return TS_FAIL;
|
}
|
}
|
//fprintf(stderr,"VTX added to the cell!\n");
|
cell->nvertex++;
|
cell->vertex=(ts_vertex **)realloc(cell->vertex,cell->nvertex*sizeof(ts_vertex *));
|
if(cell->vertex == NULL){
|
fatal("Reallocation of memory failed during insertion of vertex in cell_add_vertex",3);
|
}
|
cell->vertex[cell->nvertex-1]=vtx;
|
vtx->cell=cell;
|
return TS_SUCCESS;
|
}
|
|
inline ts_bool cell_remove_vertex(ts_cell *cell, ts_vertex *vtx){
|
ts_uint i,j=0;
|
for(i=0;i<cell->nvertex;i++){
|
if(cell->vertex[i]!=vtx){
|
cell->vertex[j]=cell->vertex[i];
|
j++;
|
}
|
}
|
if(j==i){
|
fatal("Vertex was not in the cell!",3);
|
}
|
//fprintf(stderr, "Vertex deleted from the cell!\n");
|
|
/* resize memory. potentionally time consuming */
|
cell->nvertex--;
|
cell->vertex=(ts_vertex **)realloc(cell->vertex,cell->nvertex*sizeof(ts_vertex *));
|
if(vtx->neigh == NULL && vtx->neigh_no!=0)
|
if(cell->vertex == NULL){
|
fatal("Reallocation of memory failed during removal of vertex in cell_remove_vertex",3);
|
}
|
return TS_SUCCESS;
|
}
|
|
ts_bool cell_list_cell_occupation_clear(ts_cell_list *clist){
|
ts_uint i;
|
for(i=0;i<clist->cellno;i++){
|
if(clist->cell[i]->vertex != NULL){
|
free(clist->cell[i]->vertex);
|
clist->cell[i]->vertex=NULL;
|
}
|
clist->cell[i]->nvertex=0;
|
}
|
return TS_SUCCESS;
|
}
|
|
|
ts_bool cell_occupation_number_and_internal_proximity(ts_cell_list *clist, ts_uint cellidx, ts_vertex *vtx){
|
ts_uint ncx,ncy,ncz,remainder,cell_occupation;
|
ts_uint i,j,k,l,neigh_cidx;
|
ts_double dist;
|
ncx=(cellidx+1)/(clist->ncmax[2]*clist->ncmax[1])+1; //+1 because of zero indexing.
|
remainder=(cellidx+1)%(clist->ncmax[2]*clist->ncmax[1]);
|
ncy=remainder/clist->ncmax[2]+1;
|
ncz=remainder%clist->ncmax[2];
|
// fprintf(stderr,"here are ncx,ncy,ncz=%i,%i,%i\n",ncx,ncy,ncz);
|
|
for(i=ncx-1;i<=ncx+1;i++){
|
for(j=ncy-1;j<=ncy+1;j++){
|
for(k=ncz-1;k<=ncz+1;k++){
|
neigh_cidx=k+(j-1)*clist->ncmax[2]+(i-1)*clist->ncmax[2]*clist->ncmax[1] -1;
|
// fprintf(stderr,"neigh_cell_index=%i\n",neigh_cidx);
|
cell_occupation=clist->cell[neigh_cidx]->nvertex;
|
// fprintf(stderr, "cell_occupation=%i\n",cell_occupation);
|
if(cell_occupation>clist->max_occupancy){
|
fatal("Neighbouring cell occupation more than set max_occupancy value.",2000);
|
}
|
// Now we check whether we didn't come close to some other vertices in the same
|
// cell!
|
if(cell_occupation>0){
|
for(l=0;l<cell_occupation;l++){
|
|
//carefull with this checks!
|
if(clist->cell[neigh_cidx]->vertex[l]!=vtx){
|
// fprintf(stderr,"calling dist on vertex %i\n",l);
|
dist=vtx_distance_sq(clist->cell[neigh_cidx]->vertex[l],vtx);
|
|
// if(vtx->idx==1)
|
// fprintf(stderr,"VTX(0) ima bliznji vertex z indeksom, %d, tipa %d \n", clist->cell[neigh_cidx]->vertex[l]->idx, clist->cell[neigh_cidx]->vertex[l]->id);
|
// if(vtx->idx==0 && clist->cell[neigh_cidx]->vertex[l]->idx==0)
|
// fprintf(stderr,"*** dist was %f\n",dist);
|
|
if(dist<=1.0 || (dist<=clist->dmin_interspecies && (clist->cell[neigh_cidx]->vertex[l]->id != vtx->id))) return TS_FAIL;
|
}
|
}
|
}
|
}
|
}
|
}
|
return TS_SUCCESS;
|
}
|
